Continuous seismic-reflection survey of the Great Salt Lake, Utah- east of Antelope and Fremont Islands

Water-Resources Investigations Report 88-4157

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Abstract

A continuous seismic-reflection survey of the Great Salt Lake, Utah, was conducted east of Fremont and Antelope Islands in 1984 by the U.S. Geological Survey in cooperation with the Utah Department of Natural Resources and produced data along approximately 80 miles of seismic lines. The survey was conducted to determine depth to consolidated rock, and definition and continuity of overlying basin fill under the lake. Interpretation of the data indicates the presence of faulted rock dipping away from Fremont and Antelope Islands. A north-south-trending consolidated-rock ridge is identified 200 ft below lake bottom, 275 miles east of Fremont Island. Shallow rock is also inferred 380 ft below lake bottom, near Hooper Hot Springs, and 520 ft below lake bottom approximately 4 miles east of the south end of Antelope Island. Interpretation of reflections from overlying basin fill indicates fine-grained, thinly-bedded deposits that become coarser with depth. Strong reflectors in the basin fill can be correlated with water-bearing strata penetrated by wells near the north end of Antelope Island and along the east shore of the lake. Many continuous, high-amplitude reflections can be identified in data from basin fill and may represent sedimentary sections or aquifer boundaries but cannot be defined because of a lack of subsurface control in the area. (USGS)

Additional Publication Details

Publication type:

Report

Publication Subtype:

USGS Numbered Series

Title:

Continuous seismic-reflection survey of the Great Salt Lake, Utah- east of Antelope and Fremont Islands

Series title:

Water-Resources Investigations Report

Series number:

88-4157

Edition:

-

Year Published:

1989

Language:

ENGLISH

Publisher:

U.S. Geological Survey ;
Copies of this report can be purchased from U.S. Geological Survey, Books and Open-File Reports Section,

Description:

iv, 17 p. :ill., maps ;28 cm.

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